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Finding the Fourth Proportional to 159,803.30, 239,642.65 and 59,908.98

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Solution

The fourth proportional to 159,803.30, 239,642.65 and 59,908.98 is: 89,840.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,803.30 : 239,642.65 = 59,908.98 : x
  2. Step 2: Convert to fraction form
    159,803.30/239,642.65 = 59,908.98/x
  3. Step 3: Cross multiply
    159,803.30x = 239,642.65 × 59,908.98
  4. Step 4: Simplify right side
    159,803.30x = 14,356,746,726.00
  5. Step 5: Solve for x
    x = 14,356,746,726.00/159,803.30
  6. Step 6: Final answer
    x = 89,840.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.